KR101743578B1 - Voice call continuity service providing systemn and method thereof - Google Patents

Abstract

The present invention provides a call continuity service capable of eliminating incompleteness such as cost increase due to the installation of a media board, which is supported by a call continuation support device, in order to receive an incoming call connection information of an actual called terminal device by supporting an existing DTMF A system and method are disclosed. The call continuation service providing system of the present invention is a system for providing a call continuation service when a terminal device connects to a pre-registered specific call continuation support device upon inputting a call to a specific destination terminal device, When the call continuation support device receives a message including the incoming call connection information, the call continuation support device attempts to originate a call according to the incoming call connection information based on the received message connection information And interfacing the call between the terminal and the called terminal when the called terminal is connected to the called terminal according to the call origination attempt.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system and a method for providing continuous service,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a call continuity service providing system and method, and more particularly, to a call continuing service providing system and method in which, in an environment where a built-in call continuation support device (VCC server) exists in a specific customer network In order to use the VCC service in case of call origination to the terminal device, in order to provide the called terminal number of the called terminal device after being connected to the call continuation support device, by providing the messaging service instead of the existing DTMF signal, A system and method for providing a continuous call service capable of eliminating incompleteness such as a problem of cost increase due to the installation of a media board having a call continuation support device of a built-up type, an operation method of call continuation support device and call continuation support device, And a terminal device.

BACKGROUND ART A mobile communication system is evolving into a packet-based packet switched (PS) domain in a voice-based Circuit Switched (CS) domain.

In addition, it has become common for a mobile communication terminal to make a data connection using a packet switched (PS) and a WLAN modem and to exchange packets. A lot of services have appeared on the Internet through data access of mobile communication terminals and voice communication, which was the core service of mobile communication, has been provided as a basis to be provided through an inexpensive internet network. IETF, which determines standards related to the Internet, defines a protocol called Session Initiation Protocol (SIP) that can establish a voice / video session based on the IP network of the Internet. This is the basis of the current 070 Internet telephone. The SIP-based call / session control protocol has been borrowed under the name of IMS (IP Multimedia Sub-system) for 3GPP, which is a mobile communication standard. In the wake of the expansion of the smart phone equipped with the WLAN, an environment in which not only a CS call but also a SIP call can be performed in the mobile communication terminal has been established, and a service and phenomenon capable of making an internet call through the WLAN in the mobile communication terminal, It is called Fixed Mobile Convergence (FMC).

Customers can use CS Call or FMC Call depending on their situation. Especially, companies that are sensitive to cost reduction should create an environment where FMC can be used in the premises and reduce costs by using FMC Call to employees as much as possible. I am struggling. VCC (Voice Call Continuity) service which can use CS call and FMC call without breaking CS call has been developed in order to increase the usability of FMC call which is good in mobility but costly and low in cost and low in cost.

The VCC service is a terminal having a FMC (Fixed Mobile Convergence) call function for making a voice call through an Internet connection through a circuit switched (CS) call function of a WCDMA, a packet (PS) By switching the domain between the CS domain (or the CS network) and the IMS domain (or the IMS network) so that the VCC terminal can use the CS call and the FMC call service without interrupting the voice call continuity .

In order to perform the domain switching in the VCC service, a VCC application server (VCC AS) that performs a domain transfer function (DTF) is located in the middle of the call path. That is, in order for the VCC terminal supporting the VCC service to use the VCC service, it must pass the VCC server when the first call is established.

At this time, the VCC server may be inside the network of the mobile communication service provider or inside the network of the corporate client company. In order to provide a personal FMC line and VCC service, a VCC server exists in the network of a mobile communication provider. In order to interwork with an FMC circuit for corporate use that requires interworking with an IP-PBX, a VCC server .

In particular, if there is a VCC server in the network of the enterprise customer, the flow of using the VCC service by the VCC terminal will be described as follows. The VCC terminal first makes a call using the telephone number of the VCC server (VCTN - VCC CS Call Trigger Number) when making a CS call to a specific called terminal, and when a connection is established between the VCC terminal and the VCC server, The corresponding called number is provided to the VCC server as a DTMF (Dual Tone Multi Frequency), and the VCC server transmits the call to the actual called number according to the DTMF.

In this case, when the VCC server exists in the network of the enterprise customer, the VCC terminal must provide the VCC server with the called number through the DTMF when the CS is transmitted. To this end, the DTMF used in the corporate client company includes Bypass method, RFC2833 method, SIP / INFO There are three kinds of methods.

However, there are cases where the VCC server does not support all of the above-mentioned three DTMFs in the network of the enterprise customer, and in case of the bypass method, there is a cost increase problem in which the VCC server must additionally install a separate media board . In the future, when a VCC terminal is connected to a VCC server and a CS is required, a method for eliminating incompleteness of a method using a DTMF is required.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a communication terminal, When the connection with the support device is confirmed, the call connection information corresponding to the called terminal is provided using the predefined messaging service, and when the call continuous support device receives the message including the incoming connection information, And interfacing the call between the terminal device and the called terminal device when the call connection attempt is made in response to the call origination attempt according to the incoming call connection information, In order to support the existing DTMF and receive incoming connection information of the actual called terminal, And the problem of rising cost due to the mounting of the media board.

The present invention has been made in view of the above circumstances, and another object to be achieved by the present invention is to provide a communication system and a communication system, which are capable of supporting a call / reception through at least one of a first domain and a second domain; And a terminal for connecting to the specific call succession support device pre-registered through the convoy receiver and providing the call connection information corresponding to the called terminal device by using a predefined messaging service, The present invention provides a terminal device including a control unit for supporting an existing DTMF and eliminating incompleteness such as cost increase due to the installation of a media board in a call continuation support device in order to receive incoming call connection information of an actual called terminal Environment.

Another object to be achieved by the present invention is to provide a method and apparatus for receiving a call originated from a specific terminal apparatus and receiving a message provided from the terminal apparatus when connected to the terminal apparatus, And a call succession interface for interfacing a call between the called terminal and the terminal connected in accordance with the call origination attempt after being connected to the specified called terminal according to the incoming call connection information, The present invention provides a method of operating a DTMF and supporting an existing DTMF to receive incoming call connection information of an actual called terminal, And to provide an environment for solving sexuality.

Another object to be achieved by the present invention is to recognize a call origination input to a specific called terminal apparatus and to provide a predetermined call continuation support apparatus when the call origination input is recognized, And provides the call connection information corresponding to the called terminal when the connection with the specific call continuation supporting device according to the call origination attempt is recognized and transmits the incoming connection information through the predefined messaging service The present invention provides a computer readable recording medium including a computer readable recording medium and a computer readable recording medium having recorded thereon a program for causing a computer to function as a call continuation supporting device for receiving incoming call connection information of an actual called terminal, The problem of increasing the cost due to the mounting of the media board which is provided by the media board All.

In order to achieve the above object, according to a first aspect of the present invention, there is provided a system for providing a call continuation service, comprising: A terminal device for providing incoming connection information using a predefined messaging service; And a call succession support device for attempting call origination based on the incoming call connection information based on the message including the specific incoming call connection information from the connected terminal device and for interfacing a call call between the terminal device and the called terminal device .

To achieve the above object, according to a second aspect of the present invention, there is provided a terminal device including: a convolution receiver for supporting a call / reception through at least one of a first domain and a second domain; And, when a call is made to a specific destination terminal device based on a specific one of the first domain and the second domain, connecting to the pre-registered specific call successive support device and deleting the incoming call connection information corresponding to the destination terminal device And a terminal control unit for providing the message using the messaging service.

Preferably, when a call origination attempt to the called terminal is input, the terminal control unit attempts to originate a call to the specific call continuous support device using the pre-registered specific device number, The mobile communication terminal generates at least one message of the SMS and the MMS including the incoming call connection information including the called terminal number according to the call origination input using the predefined messaging service, can do.

According to a third aspect of the present invention, there is provided a terminal device comprising: a call input accepting unit recognizing call origination input to a specific destination terminal; A call origination processor that attempts to originate a call to a pre-registered specific call duration support device when the call origination input is recognized; And providing the call connection information corresponding to the called terminal, if the connection with the specific call continuation support device is recognized according to the call origination attempt, and transmitting a message including the incoming call connection information through the predefined messaging service And provides the incoming call connection information providing unit to provide the call connection continuous support apparatus.

Preferably, the called connection information providing unit generates message request information including the incoming call connection information including the called terminal number according to the call origination input recognized and the device number of the connected specific call continuation supporting device, The message request information may be provided to the specific service device providing the messaging service to request the transmission.

In order to achieve the above object, according to a fourth aspect of the present invention, there is provided a call continuity support apparatus comprising: a call connection unit connected to a terminal apparatus upon receiving a call origination from a specific terminal apparatus; A message receiving unit for receiving a message provided from the terminal device; A destination terminal connection unit connected to a specific destination terminal unit according to the incoming call connection information by making a call origination based on the specific incoming call connection information according to the message; And a call interface unit for interfacing a call connection between the called terminal and the terminal connected to the call origination attempt.

Preferably, when at least one of the SMS message and the MMS message is received through the message receiver, the called terminal connection unit recognizes a specific called terminal number included in the message and attempts call origination using the called terminal number can do.

Preferably, in response to a domain switching request from at least one of the terminal device and the destination terminal device, a domain switching process is performed in response to at least one of the terminal device and the destination terminal device requesting domain switching, And a domain switching unit for performing domain switching on the call signal based on the control information.

According to a fifth aspect of the present invention, there is provided a method for providing a call continuity service, comprising the steps of: connecting, when a call is made to a specific called terminal, Providing the call connection information corresponding to the called terminal using the predefined messaging service if the connection of the terminal to the call continuation support device is confirmed; When the call continuous support apparatus receives a message including the incoming call connection information, attempting to make a call according to the incoming call connection information; And interfacing a call connection between the terminal device and the called terminal device when the call continuation support device is connected to the called terminal device in response to the call origination attempt.

According to a sixth aspect of the present invention, there is provided a method of operating a call continuation support apparatus, comprising: a call connection step of receiving a call origination call from a specific terminal apparatus and connected to the terminal apparatus; A message receiving step of receiving a message provided from the terminal device; Connecting a called terminal connected to a specific called terminal according to the incoming call connection information by making a call origination based on the specific incoming call connection information according to the message; And a call interface step of interfacing a call call between the called terminal and the terminal connected to the call origination attempt.

Preferably, when the at least one message of the SMS and the MMS is received through the message receiver, the connecting terminal recognizes a specific called terminal number included in the message and transmits a call using the called terminal number You can try.

Preferably, in response to a domain switching request from at least one of the terminal device and the destination terminal device, a domain switching process is performed in response to at least one of the terminal device and the destination terminal device requesting domain switching, And a domain switching step of performing domain switching on the call signal based on the control information.

A computer readable recording medium according to a seventh aspect of the present invention for achieving the above object is characterized by including a step of recognizing a call origination input to a specific destination terminal device, The call connection information corresponding to the called terminal is provided when a connection with the specific call continuation supporting device according to the call origination attempt is recognized, And providing a message including the connection information to the specific call succession support device.

Advantageously, the step of providing the incoming call connection information comprises: receiving the incoming call connection information including the called terminal number according to the recognized call origination input and the device number of the connected specific call duration support device Generates message request information, and provides the message request information to a specific service device providing the messaging service to request transmission.

Thus, according to the call continuity service providing system and method of the present invention, in an environment where a built-in call continuation support device (VCC server) exists in a specific customer network (e.g., a corporate network) In order to utilize the VCC service in the call origination call input, the call termination support terminal is first connected to the call continuity support device, and then, in providing the called terminal number of the called terminal device, using the messaging service instead of the existing DTMF signal, Incompleteness such as a problem of cost increase due to the mounting of the media board which the call continuation support device has can be solved.

1 is a configuration diagram illustrating a call continuation service providing system according to a preferred embodiment of the present invention.
2 is a block diagram illustrating a terminal device according to a preferred embodiment of the present invention.
3 is a block diagram illustrating an application-based terminal device according to a preferred embodiment of the present invention.
4 is a block diagram of a call continuity support apparatus according to a preferred embodiment of the present invention.
FIG. 5 is a flowchart illustrating a method of providing a call continuity service according to a preferred embodiment of the present invention.
6 is a flowchart illustrating an operation method of a terminal according to an exemplary embodiment of the present invention.
7 is a flowchart illustrating an operation method of a call continuation support apparatus according to a preferred embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a diagram illustrating a call continuity service providing system according to a preferred embodiment of the present invention.

1, a call continuity service providing system according to the present invention is a system for providing a call continuity service, when a call is transmitted to a specific called terminal device 10, The terminal device 100 providing the incoming call connection information corresponding to the incoming call connection information corresponding to the incoming call connection information to the terminal device 100 using the predefined messaging service, And a call continuation support device 400 for interfacing a call call between the terminal device 100 and the called terminal device 10 by attempting call origination according to the information.

Prior to the description, in order to provide a VCC service in cooperation with a personal fixed mobile convergence (FMC) line, a VCC server (corresponding to a call continuation support device) exists / is located in a network (e.g., 3G core network) . In this case, since the VCC server is capable of communicating with the internal devices of the mobile communication provider network, the existing problems to be improved in the present invention, which will be described later in detail, .

Here, the VCC (Voice Call Continuity) service is a FMC (Fixed Mobile Convergence) call in which a voice call is made through an Internet connection through a circuit switched (CS) call function of a 3G communication WCDMA and a Packet Switched (Or a CS network) and an IMS domain (or an IMS network) so that the terminal (VCC terminal) having the same function can simultaneously use the CS call and the FMC call service without disconnecting the voice It is a service that guarantees continuity of voice call.

Accordingly, the call continuation service providing system according to the present invention can provide the call continuity service according to the environment in which the existing problem situations to be improved in the present invention occur, that is, as shown in FIG. 1, in cooperation with the FMC circuit for corporate use, It is desirable to target a case where a VCC server (corresponding to a call continuation support device) is present / located in a specific customer network (e.g., a corporate network) in order to provide a service.

Hereinafter, configurations of a call continuation service providing system according to the present invention will be described with reference to FIG.

The terminal device 100 is preferably a VCC terminal supporting voice communication through the first domain, that is, the CS domain and the second domain, that is, the IMS domain.

That is, the terminal device 100 is a VCC capable VCC capable UE having an active VCC subscription, and can use an FMC call (or an IMS call) using wired / wireless integration, that is, an FMC line as well as a CS call Lt; / RTI >

Such a terminal device 100 generates a call using the VCC service or stores a domain selection policy for domain switching and applies it when a call is generated for generating a call or when a condition requiring a domain conversion during a call is generated, Or a function of selecting a domain to be switched.

The terminal device 100 is connected to the specific call continuous support device 400 registered to use the VCC service when the call is transmitted to the specific called terminal device 10, Connection information can be provided using predefined messaging services.

That is, when the call origination input to the specific destination terminal device 10 is recognized by satisfying the specific call condition for the call attempt such that the call termination number is input by the user and the call button is input, A stored domain selection policy can be applied to select which of the first domain and the second domain, that is, the CS domain and the IMS domain, will be used in the current state. Here, the procedure for the terminal device 100 to select a domain is not particularly limited. That is, the procedure of selecting a domain in the conventional VCC terminal may be the same.

If the first domain, that is, the CS domain is selected, the terminal device 100 performs a series of connection procedures for communicating with the called terminal device 10 using the VCC service.

Specifically, when a call transmission to the called terminal 10 is input, the terminal 100 attempts to originate a call using the device number of the continuous call support device 400 registered to use the VCC service first.

Call origination to the call succession support apparatus 400 is routed to the Internet telephone exchange apparatus 500 via the call switching apparatus 200 in the first domain or the CS domain and is transmitted to the specific customer network 600 PBX 650 of the specific customer network 600 in order to be connected to the VCC server (call continuity support apparatus 400) of the built-in type existing in the specific customer network 600. The IP-PBX 650 connects the call continuation support device 400 to the call continuation support device 400. [

Here, call exchange apparatus 200 may include an MSC, a VMSC, or the like as an exchange apparatus for processing outgoing / incoming calls in a first domain, i.e., a CS domain. The Internet phone call exchange apparatus 500 includes various devices for exchanging / interfacing a call with an external network by an Internet telephone service provider, and this may be a configuration belonging to the second domain or the IMS domain.

When the CS call origination to the called terminal device 10 is input, the terminal device 100 first attempts to make a CS call to the call continuation support device 400 registered in the terminal device 100 in order to use the VCC service, The CS call origination is connected to the call continuous support device 400 via the IP-PBX 650 of the specific customer network 600 via the call exchanging apparatus 200 and the Internet telephone call exchanging apparatus 500, The procedure will be the same as the procedure in which an existing VCC terminal attempts to originate a call to a specific VCC server and then connect to the called terminal upon inputting a CS call to the called terminal.

Accordingly, the terminal device 100 is connected to the call continuation support device 400 through the connection procedure as described above.

As described above, the call continuation supporting apparatus 400 is a construction type VCC server existing in the specific customer network 600 in order to provide the VCC service in cooperation with the FMC line for the corporation of the specific customer network 600 desirable.

When the call origination is received from the terminal device 100, the call continuation supporting device 400 is connected to the terminal device 100 by forming a call path in response thereto.

The terminal device 100 transmits the incoming call connection information (for example, the called terminal number) corresponding to the called terminal device 10 to a predefined messaging service (e.g., SMS, MMS, etc.) to the call continuous support device 400. [

Accordingly, when a message including the specific incoming call connection information is received from the terminal device 100, the call continuation supporting device 400 attempts to originate a call according to the incoming call connection information (e.g., the called terminal number) And forms a communication route with the called terminal device 10.

The call succession assisting device 400 is connected to the terminal device 100 and the called terminal device 10 through a call path between itself and the terminal device 100 and a call path between itself and the called terminal device 10. [ Interfaced calls.

Then, the terminal device 100 is connected to the called terminal device 10 through the call interface via the call continuation supporting device 400, and is able to communicate with the called terminal device 10.

In addition, when the terminal device 100 moves to an area where an FMC call (or an IMS call) is possible while the terminal device 100 is in a communication state (for example, an area covered by the specific customer network 600), the terminal device 100 transmits a VCC service That is, the domain switching from the CS domain to the second domain, that is, the IMS domain, to the call continuation support device 400 by applying the previously stored domain selection policy, A procedure for switching the call path corresponding to the terminal device 100 from the CS domain to the IMS domain will be performed.

As described above, the call continuation service providing system according to the present invention can be applied to a specific customer network (for example, a corporate network) in order to provide a VCC service in cooperation with an environment in which existing problem situations to be improved are generated, (VCC server) inside the mobile terminal, in order to use the VCC service when a call is made to the called terminal apparatus, the terminal apparatus is connected to the call continuation support apparatus, It is possible to solve the incompleteness problem such as cost increase due to mounting of the media board which is provided by the built-in call continuation support device in order to support DTMF by providing messaging service instead of the existing DTMF signal in providing the number .

Hereinafter, the configuration of the terminal device according to the present invention will be described in more detail with reference to FIG. 2 and FIG.

First, the terminal device of the present invention will be described with reference to FIG.

The terminal device 100 according to the present invention includes a convolution receiver 110 for supporting a call / reception through at least one of a first domain and a second domain, and a specific domain of the first domain and the second domain The call connection information corresponding to the called terminal device 10 is connected to the specific call continuation supporting device 400 registered in advance via the convolution receiving part 110 when the call transmission to the specific destination terminal device 10 is inputted, And a terminal control unit 120 that provides the service using the defined messaging service.

The convolution receiver 110 supports call / reception through at least one of the first domain and the second domain.

That is, the convoy receiver 110 may be a communication module supporting voice communication through the first domain, that is, the CS domain, and the second domain, that is, the IMS domain. And may be a VCC terminal capable of selecting one domain and using voice communication therewith.

That is, the terminal device 100 may be a terminal that can use an FMC call (or an IMS call) using wire / wireless integration, that is, an FMC line as well as a CS call.

The terminal control unit 120 receives a call origination request from the specific call continuing support device 400 (hereinafter, referred to as " And provides the incoming call connection information corresponding to the called terminal device 10 using the predefined messaging service.

More specifically, when a call transmission to the called terminal apparatus 10 is input, the terminal control unit 120 transmits a call to the specific call continuation supporting apparatus 400 using the specific apparatus number registered in advance to use the VCC service first And at least one of the SMS and the MMS including the incoming call connection information including the called terminal number according to the call origination input using the predefined messaging service And provides it to the call continuous support device 400. [

That is, the terminal control unit 120 generates a call using the VCC service or stores a domain selection policy for domain switching and applies it when a call is generated for generating a call or when a condition requiring a domain conversion during a call is generated And selecting the domain to be used or switched.

When the call origination input to the specific destination terminal device 10 is recognized by satisfying the specific calling condition for the call attempt, for example, the destination terminal number is inputted by the user and the calling button is inputted, the terminal control unit 120 stores the pre- A domain selection policy can be applied to select which of the first domain and the second domain, i.e., the CS domain and the IMS domain, will be used in the current state. Here, the procedure for selecting the domain by the terminal control unit 120 is not particularly limited. That is, the procedure of selecting a domain in the conventional VCC terminal may be the same.

If the first domain, that is, the CS domain, is selected, the terminal control unit 120 performs a series of connection procedures for communicating with the called terminal apparatus 10 using the VCC service.

That is, when a call origination to the called terminal 10 is input, the terminal control unit 120 transmits the call to the called CS terminal through the currently selected CS domain using the device number of the call continuation support device 400, Try to send.

Call origination to the call succession support apparatus 400 is routed to the Internet telephone exchange apparatus 500 via the call switching apparatus 200 in the first domain or the CS domain and is transmitted to the specific customer network 600 PBX 650 of the specific customer network 600 in order to be connected to the VCC server (call continuity support apparatus 400) of the built-in type existing in the specific customer network 600. The IP-PBX 650 connects the call continuation support device 400 to the call continuation support device 400. [

In this way, when the CS call origination to the called terminal 10 is input, the terminal control unit 120 first attempts to make a CS call to the call continuation support device 400 registered in the terminal 100 in order to utilize the VCC service, The CS call origination is connected to the call continuous support device 400 via the IP-PBX 650 of the specific customer network 600 via the call exchanging apparatus 200 and the Internet telephone call exchanging apparatus 500, The procedure will be the same as the procedure in which an existing VCC terminal attempts to originate a call to a specific VCC server and then connect to the called terminal upon inputting a CS call to the called terminal.

Accordingly, the terminal control unit 120 is connected to the call continuation support apparatus 400 through the connection procedure as described above.

When the connection to the call continuation support device 400 is confirmed, the terminal control unit 120 transmits the call connection information corresponding to the called terminal apparatus 10, that is, the call connection information including the called terminal number, And provides SMS or MMS including information in the user data area to call continuation support device 400. [

Accordingly, when a message including the specific incoming call connection information is received from the terminal device 100, the call continuation supporting device 400 attempts to originate a call according to the incoming call connection information (e.g., the called terminal number) And establishes a communication route with the destination terminal device 10 to interface the call between the terminal device 100 and the destination terminal device 10. [

Thereafter, the terminal device 100 is connected to the called terminal device 10 via the call interface via the call continuation supporting device 400. In the terminal device 100, the terminal device 100 then communicates with the called terminal device 10 .

In addition, when the terminal device 100 moves to an area where the FMC call (or IMS call) is possible while the terminal device 100 is moving during a call (for example, an area covered by the specific customer network 600), since the terminal uses the VCC service, 120 may request the call continuity support apparatus 400 to switch the current state from the CS domain to the second domain, that is, the IMS domain, by applying the previously stored domain selection policy, A procedure for switching the call path corresponding to the terminal device 100 from the CS domain to the IMS domain will be performed.

The terminal control unit 120 as described above may include a VCC application having a function of executing a VCC service.

Hereinafter, a terminal device according to the present invention, particularly an application-based terminal device will be described in detail with reference to FIG.

The application-based terminal device 100 according to the present invention includes an origination input hold unit 130 for recognizing a call origination input to a specific destination terminal apparatus 10, When the connection between the call origination processing unit 140 which tries to make a call to the supporting device 400 and the connection of the call successive support device 400 according to the call origination attempt is detected, And provides the called call connection information providing unit 150 with a message including the incoming call connection information through the predefined messaging service.

The caller input unit 130 determines whether or not call origination to the specific destination terminal device 10 is input by satisfying a specific call condition for a call attempt such that a call termination number is input by a user and an outgoing button is input do.

The call origination processing unit 140 attempts to originate a call to the pre-registered specific call continuation supporting device 400 when the call origination input is recognized by the origination input hold unit 130. [

In other words, when the call origination input is recognized by the origination input hold unit 130, the call origination processing unit 140 generates a call using the VCC service or applies it based on the domain selection policy for domain switching, It is possible to select which of the first domain and the second domain, that is, the CS domain and the IMS domain, is used. Here, the procedure for the call origination processing unit 140 to select a domain is not particularly limited. That is, the procedure of selecting a domain in the conventional VCC terminal may be the same.

When the first domain, that is, the CS domain is selected, the call origination processing unit 140 performs a series of connection procedures for communicating with the called terminal apparatus 10 using the VCC service.

That is, when the call origination input is detected in the call origination section 130, the call origination processing section 140 uses the device number of the call continuation support device 400 registered to use the VCC service first, Try to make a call through the domain.

Call origination to the call succession support apparatus 400 is routed to the Internet telephone exchange apparatus 500 via the call switching apparatus 200 in the first domain or the CS domain and is transmitted to the specific customer network 600 PBX 650 of the specific customer network 600 in order to be connected to the VCC server (call continuity support apparatus 400) of the built-in type existing in the specific customer network 600. The IP-PBX 650 connects the call continuation support device 400 to the call continuation support device 400. [

In this way, when a call is originated to the called terminal 10, the call origination processor 140 first tries to make a call to the call continuation support device 400 registered in the call terminal 400 to use the VCC service, The CS call origination is connected to the call continuation support apparatus 400 via the IP-PBX 650 of the specific customer network 600 via the call switching apparatus 200 and the Internet telephone call switching apparatus 500, The connection process will be the same as / the same as the procedure in which the existing VCC terminal attempts to originate a call to a specific VCC server upon inputting a CS call to the called terminal.

The call origination processing unit 140 is connected to the call continuity support apparatus 400 through the connection procedure as described above.

The incoming call connection information providing unit 150 provides the incoming call connection information corresponding to the called terminal 10 when the connection with the specific call continuation supporting apparatus 400 is recognized according to the call origination attempt, And provides a message including the incoming call connection information to the specific call continuation supporting device 400 through the service.

In other words, the incoming call connection information providing unit 150 includes the incoming call connection information including the called terminal number 10 according to the call origination input recognized and the device number of the connected call continuation supporting apparatus 400 And provides the message request information to a specific service device that provides the messaging service to request the transmission.

That is, when the connection to the call continuation support device 400 is confirmed, the incoming call connection information providing unit 150 transmits the call connection information including the called terminal number according to the call origination input, And generates message request information including the device number. Then, the incoming connection information providing unit 150 provides the generated message request information to the communication module (not shown), and transmits the message request information to the specific service apparatus providing the predefined messaging service, To the call continuation support apparatus 400. The SMS /

Accordingly, when a message including the specific incoming call connection information is received from the terminal device 100, the call continuation supporting device 400 attempts to originate a call according to the incoming call connection information (e.g., the called terminal number) And establishes a communication route with the destination terminal device 10 to interface the call between the terminal device 100 and the destination terminal device 10. [

Thereafter, the terminal device 100 is connected to the called terminal device 10 via the call interface via the call continuation supporting device 400. In the terminal device 100, the terminal device 100 then communicates with the called terminal device 10 .

In addition, when the terminal device 100 moves to an area where an FMC call (or an IMS call) is available (for example, an area covered by the specific customer network 600) during a call, The subscriber station 160 can request the call continuity support apparatus 400 to switch the current state from the CS domain to the second domain, that is, the IMS domain, by applying the previously stored domain selection policy, 400 will also perform a procedure for converting the call path corresponding to the terminal device 100 from the CS domain to the IMS domain.

Hereinafter, with reference to FIG. 4, a concrete configuration of a call continuation support device according to the present invention will be described.

The call continuation support apparatus 400 according to the present invention includes a call connection terminal 410 connected to the terminal apparatus 100 by receiving a call origination call from the specific terminal apparatus 100, A destination terminal connection unit 430 connected to the specific destination terminal apparatus 10 according to the incoming call connection information by making a call origination based on the specific incoming call connection information according to the message, And a call interface unit 440 that interfaces a call between the called terminal apparatus 10 and the terminal apparatus 100 connected according to the call origination attempt.

In response to the call origination from the specific terminal device 100, the call terminal connection unit 410 forms a call path with the terminal device 100 and is connected thereto.

The message receiving unit 420 receives a message provided from the specific terminal device 100. That is, the message receiving unit 420 may receive a message (e.g., SMS, MMS, etc.) provided through a predefined messaging service.

The destination terminal connection unit 430 attempts to originate a call based on the specific incoming call connection information according to the message received through the message reception unit 420 and is connected to the specific destination terminal apparatus 10 according to the incoming call connection information.

That is, when at least one of the SMS message and the MMS message is received through the message receiver 420, the called terminal connection unit 430 recognizes the specific incoming call connection information included in the message, that is, a specific called terminal number, An attempt is made to originate a call using the called terminal number.

If the called terminal 10 responds to a call origination attempt of the called terminal connection unit 430, the called terminal connection unit 430 connects to the called terminal apparatus 10 by forming a call path.

The call interface unit 440 interfaces the call between the called terminal apparatus 10 and the terminal apparatus 100 connected according to the call origination attempt.

That is, the call interface unit 440 interfaces the call between the terminal apparatus 100 connected by the caller terminal connection unit 410 and the call terminal apparatus 10 connected by the caller terminal connection unit 430, The communication between the terminal device 100 and the called terminal device 10 becomes possible.

Furthermore, the arc continuous support apparatus 400 further includes a domain switching unit 450.

The domain switching unit 450 switches between at least one of the terminal apparatus 100 and the called terminal apparatus 10 requesting domain switching in response to a domain switching request from at least one of the terminal apparatus 100 and the called terminal apparatus 10 And performs domain switching for the call based on the anchored domain switching control information.

That is, when the domain switching unit 450 requests domain switching (for example, CS domain-> IMS domain) from the terminal device 100 while interfacing a call between the terminal device 100 and the called terminal device 10 , A call corresponding to the terminal device 100 based on the domain switching control information (e.g., Call ID, Public User Identity, etc.) acked up at the connection / connection with the terminal device 100 at the originating terminal connection unit 410 Performs domain conversion for the call.

Of course, the domain switching unit 450 may switch the domain (e.g., IMS domain- > CS) from the destination terminal apparatus 10 using the VCC service while interfacing the call between the terminal apparatus 100 and the destination terminal apparatus 10 (E.g., Call ID, Public User Identity, etc.) acked up during connection / connection with the called terminal 10 at the called terminal connection unit 430, 10) to the mobile station.

There is no particular restriction on the procedure for the domain switching unit 450 to switch the domain of the corresponding terminal according to the domain switching request. That is, the procedure may be the same as the procedure for switching a domain for a specific VCC terminal in a call from a conventional VCC server.

As described above, in the call continuation service providing system according to the present invention, in an environment in which a built-in call continuation support device (VCC server) exists in a specific customer network (e.g., a corporate network) In order to use the VCC service, it is first connected to the call continuity support device and then provides the called terminal number of the called terminal device by using a messaging service instead of the existing DTMF signal, It is possible to eliminate imperfections such as a problem of cost increase due to the mounting of the media board which the call continuation supporting device has.

Hereinafter, a method of providing a call continuity service according to a preferred embodiment of the present invention will be described with reference to FIG. 5 to FIG. Here, for convenience of description, the configurations shown in FIGS. 1 to 4 will be described with reference to corresponding reference numerals.

A method of providing a call continuity service according to a preferred embodiment of the present invention will be described with reference to FIG.

When the terminal device 100 receives a call transmission to the specific called terminal device 10, it connects to the pre-registered specific call continuation supporting device 400.

The terminal device 100 generates a call using the VCC service or stores a domain selection policy for domain switching and applies it when a call is generated for generating a call or when a condition requiring a domain conversion during a call is generated, And a function of selecting a domain to be switched.

The terminal 100 attempts to originate a call to the specific call continuous support device 400 registered to use the VCC service at the time of a call transmission to the specific called terminal device 10 at step S10, If the connection is made to the continuous support device 400 in step S25, the call connection information corresponding to the called terminal device 10 may be provided using the predefined messaging service in step S30.

That is, when the call origination input to the specific destination terminal device 10 is recognized by satisfying the specific call condition for the call attempt such that the call termination number is input by the user and the call button is input, A stored domain selection policy can be applied to select which of the first domain and the second domain, that is, the CS domain and the IMS domain, will be used in the current state. Here, the procedure for the terminal device 100 to select a domain is not particularly limited. That is, the procedure of selecting a domain in the conventional VCC terminal may be the same.

If the first domain, that is, the CS domain is selected, the terminal device 100 performs a series of connection procedures for communicating with the called terminal device 10 using the VCC service.

Specifically, when a call origination to the called terminal 10 is input, the terminal 100 attempts to originate a call using the device number of the call continuation support device 400 registered to use the VCC service first S20).

Call origination to the call succession support apparatus 400 is routed to the Internet telephone exchange apparatus 500 via the call switching apparatus 200 in the first domain or the CS domain and is transmitted to the specific customer network 600 PBX 650 of the specific customer network 600 in order to be connected to the VCC server (call continuity support apparatus 400) of the built-in type existing in the specific customer network 600. The IP-PBX 650 connects the call continuation support device 400 to the call continuation support device 400. [

When the CS call origination to the called terminal device 10 is input, the terminal device 100 first attempts to make a CS call to the call continuation support device 400 registered in the terminal device 100 in order to use the VCC service, The CS call origination is connected to the call continuous support device 400 via the IP-PBX 650 of the specific customer network 600 via the call exchanging apparatus 200 and the Internet telephone call exchanging apparatus 500, The procedure will be the same as the procedure in which an existing VCC terminal attempts to originate a call to a specific VCC server and then connect to the called terminal upon inputting a CS call to the called terminal.

Accordingly, the terminal device 100 is connected to the call continuation support device 400 through the connection procedure as described above (S25).

As described above, the call continuation supporting apparatus 400 is a construction type VCC server existing in the specific customer network 600 in order to provide the VCC service in cooperation with the FMC line for the corporation of the specific customer network 600 desirable.

When the call origination is received from the terminal device 100, the call continuation supporting device 400 is connected to the terminal device 100 by forming a call path in response thereto.

The terminal device 100 transmits the incoming call connection information (for example, the called terminal number) corresponding to the called terminal device 10 to a predefined messaging service (e.g., SMS, MMS, etc.) to the call continuation support apparatus 400 through the service server 3000 (S30).

Accordingly, when a message including the specific incoming call connection information is received from the terminal device 100, the call continuation supporting device 400 attempts to originate a call according to the incoming call connection information (e.g., the called terminal number) S40), and is connected to the called terminal apparatus 10 through a communication path (S45).

The call succession assisting device 400 is connected to the terminal device 100 and the called terminal device 10 through a call path between itself and the terminal device 100 and a call path between itself and the called terminal device 10. [ (S50).

Then, the terminal device 100 is connected to the called terminal device 10 through the call interface via the call continuation supporting device 400, and is able to communicate with the called terminal device 10.

In addition, when the terminal device 100 moves to an area where an FMC call (or an IMS call) is possible while the terminal device 100 is in a communication state (e.g., an area covered by the specific customer network 600), the terminal device 100 transmits a VCC service That is, the domain switching from the CS domain to the second domain, that is, the IMS domain, to the call continuation support apparatus 400 (S60) by applying the previously stored domain selection policy, The mobile terminal 400 will also perform a procedure for converting the call path corresponding to the terminal device 100 from the CS domain to the IMS domain as in the conventional manner (S70).

Hereinafter, an operation method of the terminal device according to the present invention will be described in more detail with reference to FIG.

The operation method of the terminal device 100 according to the present invention is a method in which a call origination number is input by a user and an origination button is input and a call origination condition for a call attempt is satisfied, Whether it is input or not.

The operation method of the terminal device 100 according to the present invention is such that if a call origination input is recognized in step S100, the terminal device 100 attempts to originate a call to the pre-registered specific call continuation supporting device 400, (S110).

In other words, in the operation method of the terminal device 100 according to the present invention, when a call origination input is recognized, a call is generated by using the VCC service or applied based on a domain selection policy for domain switching, Domain and a second domain, that is, a CS domain and an IMS domain. Here, the procedure for selecting a domain is not particularly limited. That is, the procedure of selecting a domain in the conventional VCC terminal may be the same.

When the first domain, that is, the CS domain is selected, the operation method of the terminal device 100 according to the present invention performs a series of connection procedures for communicating with the called terminal device 10 using the VCC service.

That is, in the operation method of the terminal device 100 according to the present invention, a call origination is attempted through the currently selected CS domain using the device number of the call continuation support device 400, which is previously registered to use the VCC service.

Call origination to the call succession support apparatus 400 is routed to the Internet telephone exchange apparatus 500 via the call switching apparatus 200 in the first domain or the CS domain and is transmitted to the specific customer network 600 PBX 650 of the specific customer network 600 in order to be connected to the VCC server (call continuity support apparatus 400) of the built-in type existing in the specific customer network 600. The IP-PBX 650 connects the call continuation support device 400 to the call continuation support device 400. [

In this way, when the call origination to the called terminal device 10 is input, the operation method of the terminal device 100 according to the present invention is to operate the call continuation support device 400, CS call to the call continuation support device 400 (hereinafter, referred to as " CA ") via the IP-PBX 650 of the specific customer network 600 via the call switching device 200 and the Internet telephone call switching device 500 The connection procedure is the same as the procedure in which an existing VCC terminal attempts to make a call to a specific VCC server and then connects to the called terminal at the time of inputting a CS call.

Accordingly, the operation method of the terminal device 100 according to the present invention is connected to the call continuation support device 400 through the connection procedure as described above.

The operation method of the terminal device 100 according to the present invention is to provide the call connection information corresponding to the called terminal device 10 when the connection with the specific call continuation supporting device 400 is recognized according to the call origination attempt , And provides a message including the incoming call connection information to the specific call continuation supporting device 400 through the predefined messaging service (S120).

In other words, the operating method of the terminal device 100 according to the present invention is characterized in that the incoming call connection information including the called terminal number 10 according to the recognized call origination input, Generates the message request information including the device number, and provides the message request information to the specific service device providing the messaging service to request the transmission.

That is, in the operation method of the terminal device 100 according to the present invention, when the connection with the call continuation support device 400 is confirmed, the incoming call connection information including the called terminal number according to the call origination input, The message request information including the device number of the device 400 is generated. The operation method of the terminal device 100 according to the present invention provides the generated message request information to the communication module (not shown), and transmits the message request information to the specific service device 300 providing the predefined messaging service And provides the SMS or MMS including the incoming call connection information in the user data area to the call continuation support apparatus 400.

Accordingly, when a message including the specific incoming call connection information is received from the terminal device 100, the call continuation supporting device 400 attempts to originate a call according to the incoming call connection information (e.g., the called terminal number) And establishes a communication route with the destination terminal device 10 to interface the call between the terminal device 100 and the destination terminal device 10. [

The method of operation of the terminal device 100 according to the present invention is such that the terminal device 100 is connected to the called terminal device 10 through the call interface through the call continuation support device 400, The user can make a call with the terminal device 10 (S130).

In addition, when a domain switching condition occurs (S140), for example, the terminal apparatus 100 moves during a call and moves to an area where an FMC call (or an IMS call) is possible (for example, an area covered by the specific customer network 600) The operation method of the terminal device 100 according to the present invention is a terminal using the VCC service, so that it can apply domain switching from the current CS domain to the second domain, that is, the IMS domain, 400, and the call continuation support device 400 will also perform a procedure for switching the call path corresponding to the terminal device 100 from the CS domain to the IMS domain as in the conventional case.

Hereinafter, an operation method of the call continuation support apparatus according to the present invention will be described in more detail with reference to FIG.

In operation S200, when a call origination is received from a specific terminal device 100, the call continuation supporting device 400 forms a call path with the terminal device 100 in response to the call origination.

Thereafter, the method of operating the call continuation support apparatus 400 according to the present invention receives a message provided from the terminal apparatus 100 (S210). That is, the operation method of the call continuation support apparatus 400 according to the present invention may receive a message (e.g., SMS, MMS, etc.) provided through a predefined messaging service.

The operation method of the call continuous support apparatus 400 according to the present invention attempts to make a call based on the specific incoming call connection information according to the received message and is connected to the specific called terminal apparatus 10 according to the incoming call connection information.

That is, when at least one SMS or MMS message is received, the call continuation support apparatus 400 recognizes the specific incoming call connection information included in the message, that is, a specific called terminal number (S220 In step S230, the called terminal 10 attempts to make a call using the recognized called terminal number. When the called terminal 10 responds to the call, the called terminal 10 is connected to the called terminal 10 in step S230.

The method of operating the call continuation support apparatus 400 according to the present invention interfaces a call between the called terminal apparatus 10 and the terminal apparatus 100 connected in response to a call origination attempt at step S240.

That is, an operation method of the call continuation support apparatus 400 according to the present invention is a method for interfacing a call between an connected terminal apparatus 100 and a connected incoming terminal apparatus 10, The communication between the devices 10 becomes possible.

The operation method of the call continuation support apparatus 400 according to the present invention is such that when a domain change request from at least one of the terminal device 100 and the called terminal device 10 is received at step S250, And performs domain switching for the call based on the domain switching control information anchored corresponding to at least one of the requested terminal device 100 and the called terminal device 10 in operation S260.

That is, the operation method of the call continuation supporting apparatus 400 according to the present invention is a method of switching a domain (for example, a CS domain) from the terminal device 100 during a call interface between the terminal device 100 and the called terminal device 10, (E.g., a call ID, a public user identity, etc.) that is anchored at the time of forming / connecting in a call with the terminal device 100, Performs a domain switch for a call.

Of course, the operation method of the call continuation support apparatus 400 according to the present invention is a method of operating the call continuation support apparatus 400 from the call terminating terminal apparatus 10 using the VCC service while interfacing a call call between the terminal apparatus 100 and the called terminal apparatus 10 (E.g., Call ID, Public User Identity, etc.) acked up at the time of forming / connecting with the called terminal 10, (10).

There is no particular restriction on the procedure for switching the domain of the corresponding terminal according to the domain switching request. That is, the procedure may be the same as the procedure for switching a domain for a specific VCC terminal in a call from a conventional VCC server.

As described above, according to the present invention, there is provided a method of providing a call continuity service, in which, in an environment where a built-in call continuation support device (VCC server) exists in a specific customer network In order to use the VCC service, it is first connected to the call continuation support device and then provides the called terminal number of the called terminal device by using a messaging service instead of the existing DTMF signal, It is possible to eliminate imperfections such as a problem of cost increase due to the mounting of the media board which the call continuation supporting device has.

Meanwhile, the steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of both. A software module may reside in a RAM memory, a flash memory, a ROM memory, an EPROM memory, an EEPROM memory, registers, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such that the processor can read information from, and write information to, the storage medium. Alternatively, the storage medium may be integrated into the processor. The processor and the storage medium may be included within an ASIC. The ASIC may be included in the terminal. Alternatively, the processor and the storage medium may be included as separate components in the terminal.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

In an environment where a built-in call continuity support device (VCC server) exists in a specific customer network (e.g., a corporate network), in order to use the VCC service when a call is made to a called terminal device, The present invention provides a system and method for providing a call continuity service using a messaging service in place of a DTMF signal in providing a called terminal number of a called terminal, The user satisfaction can be very large, and it is possible to carry out the application of the call continuation support device and the terminal device which are applied, and the service solution through the same, as well as the possibility of commercialization or sales.

10: call reception terminal apparatus 100: terminal apparatus
400: Arc continuous support device

Claims (14)

delete A convolution receiver for supporting a call / reception through at least one of a first domain and a second domain; And
When a call is transmitted to a specific destination terminal, the call is connected to a specific call continuous support device registered on the specific domain of the first domain and the second domain, regardless of the destination terminal, through the convolution receiver, And a terminal controller for providing the call connection information corresponding to the called terminal to the specific call continuation supporting device using a predefined messaging service when the terminal is connected to the specific call continuation supporting device. 3. The method of claim 2,
The terminal control unit,
When a call origination attempt to the called terminal is input, when a call is made to the specific call continuation supporting device by using a previously registered specific device number and is connected to the call continuation supporting device, And generates at least one message from the SMS and the MMS including the called connection information including the called terminal number according to the call origination input by using the service, and provides the generated message to the call continuous support device. An origination input accepting unit for recognizing a call origination input to a specific destination terminal;
A call origination processor for attempting to originate a call to a pre-registered specific call duration support device irrespective of the called terminal device when the call origination input is recognized; And
When the connection with the specific call continuation support device is recognized according to the call origination attempt, the call connection information corresponding to the called terminal is transmitted to the specific call continuous support device using the predefined messaging service, And a providing unit. 5. The method of claim 4,
Wherein the incoming connection information providing unit comprises:
Generates message request information including the incoming call connection information including the called terminal number according to the call origination input recognized and the device number of the connected call continuation supporting device, and transmits the message request information to the mobile terminal And transmits the request to the specific service device. In a call continuation supporting apparatus,
A calling terminal connection unit connected to a terminal device attempting to make a call to the call continuation supporting device;
A message receiving unit for receiving a message including specific incoming call connection information provided from the connected terminal device through a messaging service;
A destination terminal connection unit connected to the destination terminal apparatus according to the incoming call connection information by making a call origination based on the incoming call connection information included in the message; And
And a call interface unit for interfacing a call connection between the called terminal unit connected based on the incoming call connection information and the terminal unit providing the incoming call connection information. The method according to claim 6,
The called terminal connection unit,
Wherein when at least one of the SMS message and the MMS message is received through the message receiver, the mobile communication terminal recognizes a specific called terminal number included in the message and tries to make a call using the called terminal number. 8. The method according to claim 6 or 7,
Based on the domain switching control information anchored corresponding to at least one of the terminal device and the destination terminal device that requested domain switching in response to a domain switching request from at least one of the terminal device and the destination terminal device Further comprising a domain switching unit for performing domain switching on a call signal. delete A method for operating a continuous call support device,
A calling terminal connected to a terminal device attempting to make a call to the call continuation supporting device;
A message receiving step of receiving, through a messaging service, a message including specific incoming call connection information provided from the connected terminal device;
Connecting a called terminal connected to a called terminal according to the incoming call connection information by making a call origination based on the incoming call connection information included in the message; And
And a call interface step of interfacing a call connection between the called terminal connected based on the incoming connection information and the terminal device providing the incoming connection information. 11. The method of claim 10,
The receiving terminal connection step comprises:
Wherein when a message of at least one of an SMS message and an MMS message is received through the message receiving step, a call origination number is recognized by recognizing a specific called terminal number included in the message and attempting call origination using the called terminal number Lt; / RTI > The method according to claim 10 or 11,
Based on the domain switching control information anchored corresponding to at least one of the terminal device and the destination terminal device that requested domain switching in response to a domain switching request from at least one of the terminal device and the destination terminal device Further comprising: a domain switching step of performing domain switching on a call signal. Recognizing a call origination input to a specific destination terminal device,
Attempting to make a call to a pre-registered specific call continuity support device regardless of the called terminal device when the call origination input is recognized,
And a step of providing the incoming call connection information corresponding to the called terminal to the specific call continuous support device using a predefined messaging service when a connection with the specific call continuation supporting device is recognized according to the call origination attempt Wherein the computer-readable storage medium includes a computer-readable medium having computer-readable program code embodied thereon. 14. The method of claim 13,
Wherein the instructions for performing the step of providing the incoming connection information comprise:
Generates message request information including the incoming call connection information including the called terminal number according to the call origination input recognized and the device number of the connected call continuation supporting device, and transmits the message request information to the mobile terminal To a specific service device and requests transmission.

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